I tried adding this tut: Better attack interfaces

To Swat's Fullscreen Deob. V1.1

No compiler errors but when I run it, it stops at "unpacking interfaces" and I get the error

Code:
Error: loaderror Unpacking interfaces 95
The "Actual" error.
Spoiler for Actual Error:

Code:
Read Error: ./Sprites/Custom/15101.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:137)
        at Class9.EquipmentTab(Class9.java:533)
        at Class9.method205(Class9.java:1025)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/15101a.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:139)
        at Class9.EquipmentTab(Class9.java:533)
        at Class9.method205(Class9.java:1025)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/15102.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:137)
        at Class9.EquipmentTab(Class9.java:534)
        at Class9.method205(Class9.java:1025)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/15102a.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:139)
        at Class9.EquipmentTab(Class9.java:534)
        at Class9.method205(Class9.java:1025)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/15107Custom.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addInterfaceSprite(Class9.java:484)
        at Class9.EquipmentScreen(Class9.java:557)
        at Class9.method205(Class9.java:1026)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/15108.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:137)
        at Class9.EquipmentScreen(Class9.java:559)
        at Class9.method205(Class9.java:1026)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/15108a.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:139)
        at Class9.EquipmentScreen(Class9.java:559)
        at Class9.method205(Class9.java:1026)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/16007.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:137)
        at Class9.bank(Class9.java:449)
        at Class9.method205(Class9.java:1027)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Read Error: ./Sprites/Custom/16007a.png
java.lang.NullPointerException
        at java.awt.Toolkit.createImage(Unknown Source)
        at Class30_Sub2_Sub1_Sub1.<init>(Class30_Sub2_Sub1_Sub1.java:35)
        at Class9.CustomSpriteLoader(Class9.java:85)
        at Class9.addActionButton(Class9.java:139)
        at Class9.bank(Class9.java:449)
        at Class9.method205(Class9.java:1027)
        at client.method6(client.java:7146)
        at Applet_Sub1.run(Applet_Sub1.java:54)
        at client.run(client.java:4433)
        at java.lang.Thread.run(Unknown Source)
Error: loaderror Unpacking interfaces 95